• Source: Margarella expansa

Margarella expansa is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.




Description


The shell grows to a height of 14.1 mm. The thin, imperforate shell has a depressed-conoidal shape. It is shining, of a light olivaceous tint or somewhat tinged with pink. Its surface is smooth. The acute spire is conoidal. The sutures are slightly impressed. The shell contains about 42 rapidly widening whorls. The large body whorl is rounded at the periphery and a little impressed or margined below the suture. The large aperture is rounded and angular above, green and iridescent inside. The columellar margin is a little straightened. The umbilico-columellar tract is slightly excavated.




Distribution


This marine species occurs off the Falkland Islands and in the Straits of Magellan at depths between 0 m and 150 m.




References



Petit R.E. (2009) George Brettingham Sowerby, I, II & III: their conchological publications and molluscan taxa. Zootaxa 2189: 1–218




External links



Antarctic Invertebrates
Barcode of Life
Biodiversity Heritage Library (8 publications)
Encyclopedia of Life
USNM Invertebrate Zoology Mollusca Collection
World Register of Marine Species
"Margarella expansa". Gastropods.com. Retrieved 16 January 2019.

Kata Kunci Pencarian:

• Margarella expansa
• Margarella
• Margarella refulgens
• Photinula
• Margarites refulgens
• Margarita (gastropod)
• Margarella steineni
• Margarites
• List of the Mesozoic life of California